itkImageModelEstimatorBase.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef itkImageModelEstimatorBase_h
#define itkImageModelEstimatorBase_h

#include "itkLightProcessObject.h"

namespace itk
{
template< typename TInputImage,
          typename TMembershipFunction >
class ITK_TEMPLATE_EXPORT ImageModelEstimatorBase:public LightProcessObject
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(ImageModelEstimatorBase);

  using Self = ImageModelEstimatorBase;
  using Superclass = LightProcessObject;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkTypeMacro(ImageModelEstimatorBase, LightProcessObject);

  itkSetMacro(NumberOfModels, unsigned int);

  itkGetConstReferenceMacro(NumberOfModels, unsigned int);

  using MembershipFunctionPointer = typename TMembershipFunction::Pointer;

  using MembershipFunctionPointerVector = std::vector<MembershipFunctionPointer>;

  using InputImageType = TInputImage;
  using InputImagePointer = typename TInputImage::Pointer;

  //using TrainingImagePointer = typename TTrainingImage::Pointer;

  itkSetObjectMacro(InputImage, InputImageType);
  itkGetModifiableObjectMacro(InputImage, InputImageType);

  void SetMembershipFunctions(MembershipFunctionPointerVector
                              membershipFunctions)
  {
    m_MembershipFunctions = membershipFunctions;
  }

  const MembershipFunctionPointerVector GetMembershipFunctions() const
  {
    return m_MembershipFunctions;
  }

  unsigned int GetNumberOfMembershipFunctions()
  {
    return static_cast< unsigned int >( m_MembershipFunctions.size() );
  }

  void DeleteAllMembershipFunctions()
  {
    m_MembershipFunctions.resize(0);
  }

  unsigned int AddMembershipFunction(MembershipFunctionPointer function);

  void Update();

protected:
  ImageModelEstimatorBase();
  ~ImageModelEstimatorBase() override = default;
  void PrintSelf(std::ostream & os, Indent indent) const override;

  void GenerateData() override;

private:

  unsigned int m_NumberOfModels{0};

  MembershipFunctionPointerVector m_MembershipFunctions;

  InputImagePointer m_InputImage;

  virtual void EstimateModels() = 0;
}; // class ImageModelEstimator
} // namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkImageModelEstimatorBase.hxx"
#endif

#endif